How do you build a bicycle electrical generator?


Quick Answer

Building a bicycle-powered electrical generator involves attaching an electric generator to a either a conventional or a stationary exercise bicycle. The first step in the process is either removing the wheels of a conventional bicycle or attaching it to a stand. Then, connect a generator is to a battery, and attach them to the bicycle's chain or gears.

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Full Answer

There are several different methods for building a bike-powered electrical generator, but most of the basic steps remain the same. The first step is ensuring that the pedals and wheels are able to spin without moving the bike forward. A bike stand offers a convenient way to steady the bike in a stationary position. Then, connect and install a motor, battery and inverter. Stepper motors, automotive alternators and permanent magnet motors are all equipment options able to produce electrical power.

Mount the motor directly to the bicycle frame or install it adjacent to the bike. Then, attach the bicycle chain or gearing to the motor. Test the linkage between the pedals and the motor before installing additional electrical components. After connecting the motor to a suitable battery, test the connections and leads with a meter. Installing an inverter converts electrical output from the battery from direct current to alternating current suitable for powering most common electronic devices.

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